All 35 people aboard the bus survived the crash that happened just after 8 a.m. at the intersection of Kilbourn Road and Illinois Route 173 in Wadsworth, 45 miles north of Chicago, Lake County Sheriff Mark Curran Jr. said.

Authorities said the driver of a Jeep Wrangler that collided with the bus, 62-year-old Philip Smith, of Beach Park, died of traumatic injuries. Two people from the Cherokee were taken by ambulance to a hospital.

Police continue to investigate the cause of the crash after witnesses gave conflicting testimonies.

Authorities originally said the female driver may have ran a red light, but later said some witnessess discounted that claim.